void
TimerClass::Notify ()
{
int i;
// Service the joystick. In all cases, the idea here is that yaAcaFrame's
// Roll, Pitch, and Yaw structures are updated with current information
// with respect to the joystick hardware and/or joystick drivers.
ServiceJoystick_wxWidgets ();
// Convert the readings to the form expected by yaAcaFrame, update screen,
// output to yaAGC.
yaAcaFrame->UpdateJoystick ();
// Service the socket connection.
if (StartupDelay > 0)
{
StartupDelay -= PULSE_INTERVAL;
return;
}
// Try to connect to the server (yaAGC) if not already connected.
if (ServerSocket == -1)
{
ServerSocket = CallSocket (Hostname, Portnum);
if (ServerSocket != -1)
printf ("yaACA2 is connected, socket=%d.\n", ServerSocket);
}
if (ServerSocket != LastServerSocket)
{
if (ServerSocket == -1)
yaAcaFrame->StatusLabel->SetLabel (wxT ("Waiting for connection to yaAGC ..."));
else
yaAcaFrame->StatusLabel->SetLabel (wxT ("Connected to yaAGC"));
LastServerSocket = ServerSocket;
}
}
static int
PulseACA (void)
{
if (StartupDelay > 0)
{
StartupDelay -= UPDATE_INTERVAL;
return (1);
}
// Try to connect to the server (yaAGC) if not already connected.
if (ServerSocket == -1)
{
ServerSocket = CallSocket (Hostname, Portnum);
if (ServerSocket != -1)
fprintf (stdout, "\nConnection to server established on socket %d\n", ServerSocket);
else
StartupDelay = 1000;
}
if (ServerSocket != -1)
{
static unsigned char Packet[4];
static int PacketSize = 0;
int i;
unsigned char c;
for (;;)
{
i = recv (ServerSocket, &c, 1, MSG_NOSIGNAL);
if (i == -1)
{
// The condition i==-1,errno==0 or 9 occurs only on Win32, and
// I'm not sure exactly what it corresponds to---I assume
// means "no data" rather than error.
if (errno == EAGAIN || errno == 0 || errno == 9)
i = 0;
else
{
fprintf (stdout, "\nyaACA3 reports server error %d\n", errno);
close (ServerSocket);
ServerSocket = -1;
break;
}
}
if (i == 0)
break;
if (0 == (0xc0 & c))
PacketSize = 0;
if (PacketSize != 0 || (0xc0 & c) == 0)
{
Packet[PacketSize++] = c;
if (PacketSize >= 4)
{
PacketSize = 0;
// *** Do something with the input packet. ***
}
}
}
}
return (1);
}
void
TimerClass::Notify()
{
static unsigned char Packet[4];
static int PacketSize = 0;
static int FlashCounter = 1, FlashStatus = 0;
int i;
unsigned char c;
if (StartupDelay > 0)
{
StartupDelay -= PULSE_INTERVAL;
return;
}
// If the noun/verb-flash flag is set, then flash them.
if (frame->flashing)
{
frame->flashCounter++;
if (frame->flashCounter >= 1000 / PULSE_INTERVAL)
{
frame->flashCounter = 0;
frame->flashStateLit = !frame->flashStateLit;
if (frame->flashStateLit)
{
//frame->labelVerb->SetBitmap(frame->imageVerbLabelOn);
//frame->labelNoun->SetBitmap(frame->imageNounLabelOn);
frame->digitVerbLeft->SetBitmap(frame->image7Seg0);
frame->digitVerbRight->SetBitmap(frame->image7Seg0);
frame->digitNounLeft->SetBitmap(frame->image7Seg0);
frame->digitNounRight->SetBitmap(frame->image7Seg0);
}
else
{
//frame->labelVerb->SetBitmap(frame->imageVerbLabelOff);
//frame->labelNoun->SetBitmap(frame->imageNounLabelOff);
frame->digitVerbLeft->SetBitmap(frame->officialVerbLeft);
frame->digitVerbRight->SetBitmap(frame->officialVerbRight);
frame->digitNounLeft->SetBitmap(frame->officialNounLeft);
frame->digitNounRight->SetBitmap(frame->officialNounRight);
}
}
}
// Try to connect to the server (yaAGC) if not already connected.
if (ServerSocket == -1)
{
ServerSocket = CallSocket(Hostname, Portnum);
if (ServerSocket != -1)
printf("yaDSKY is connected.\n");
}
if (ServerSocket != -1)
{
for (;;)
{
i = recv(ServerSocket, (char *) &c, 1, MSG_NOSIGNAL);
if (i == -1)
{
// The conditions i==-1,errno==0 or 9 occur only on Win32,
// and I'm not sure exactly what they corresponds to---but
// empirically I find that ignoring them makes no difference
// to the operation of the program.
if (errno == EAGAIN || errno == 0 || errno == 9)
i = 0;
else
{
printf("yaDSKYb1: server error %d\n", errno);
close(ServerSocket);
ServerSocket = -1;
break;
}
}
if (i == 0)
break;
// This (newer) code will accept any packet signature of the form
// 00 XX XX XX.
if (0 == (0xc0 & c))
PacketSize = 0;
if (PacketSize != 0 || (0xc0 & c) == 0)
{
Packet[PacketSize++] = c;
if (PacketSize >= 4)
{
ActOnIncomingIO(Packet);
PacketSize = 0;
}
}
}
}
}
